<template>
  <a-layout>
    <a-layout-sider width="200" style="background: #fff">
      <a-menu
              mode="inline"
              :style="{ height: '100%', borderRight: 0 }"
              @click="handleClick"
      >
        <a-menu-item key="welcome">
          <MailOutlined/>
          <span>欢迎</span>
        </a-menu-item>
        <a-sub-menu v-for="item in level1" :key="item.id">
          <template v-slot:title>
            <span><user-outlined/>{{item.name}}</span>
          </template>
          <a-menu-item v-for="child in item.children" :key="child.id">
            <MailOutlined/>
            <span>{{child.name}}</span>
          </a-menu-item>
        </a-sub-menu>
      </a-menu>
    </a-layout-sider>
    <a-layout-content
            :style="{ background: '#fff', padding: '24px', margin: 0, minHeight: '280px' }"
    >
      <div class="welcome" v-show="isShowWelcome">
        <h1>欢迎使用甲蛙知识库</h1>
      </div>
      <a-list v-show="!isShowWelcome" item-layout="vertical" size="large" :grid="{ gutter: 20, column: 3 }"
              :data-source="ebooks">
        <template #renderItem="{ item }">
          <a-list-item key="item.name">
            <template #actions>
              <span v-for="{ type, text } in actions" :key="type">
                <component v-bind:is="type" style="margin-right: 8px"/>
                {{ text }}
              </span>
            </template>
            <a-list-item-meta :description="item.description">
              <template #title>
                <a :href="item.href">{{ item.name }}</a>
              </template>
              <template #avatar>
                <a-avatar :src="item.cover"/>
              </template>
            </a-list-item-meta>
          </a-list-item>
        </template>
      </a-list>
    </a-layout-content>
  </a-layout>
</template>

<script lang="ts">
  import {defineComponent, onMounted, ref} from 'vue';
  import axios from 'axios';
  import {message} from 'ant-design-vue';
  import {Tool} from "@/util/tool";

  // const listData: any = [];
  // for (let i = 0; i < 23; i++) {
  //   listData.push({
  //     href: 'https://www.antdv.com/',
  //     title: `ant design vue part ${i}`,
  //     avatar: 'https://zos.alipayobjects.com/rmsportal/ODTLcjxAfvqbxHnVXCYX.png',
  //     description:
  //         'Ant Design, a design language for background applications, is refined by Ant UED Team.',
  //     content:
  //         'We supply a series of design principles, practical patterns and high quality design resources (Sketch and Axure), to help people create their product prototypes beautifully and efficiently.',
  //   });
  // }

  export default defineComponent({
    name: 'Home',
    setup() {
      const ebooks = ref();
      // const ebooks1 = reactive({books: []});

      const level1 = ref();
      let categorys: any;
      /**
       * 查询所有分类
       **/
      const handleQueryCategory = () => {
        axios.get("/category/all").then((response) => {
          const data = response.data;
          if (data.success) {
            categorys = data.content;
            console.log("原始数组：", categorys);

            level1.value = [];
            level1.value = Tool.array2Tree(categorys, 0);
            console.log("树形结构：", level1.value);
          } else {
            message.error(data.message);
          }
        });
      };

      const isShowWelcome = ref(true);
      let categoryId2 = 0;

      const handleQueryEbook = () => {
        axios.get("/ebook/list", {
          params: {
            page: 1,
            size: 1000,
            categoryId2: categoryId2
          }
        }).then((response) => {
          const data = response.data;
          ebooks.value = data.content.list;
          // ebooks1.books = data.content;
        });
      }

      const handleClick = (value: any) => {
        console.log("menu click", value)
        if (value.key === 'welcome') {
          isShowWelcome.value = true;
        } else {
          categoryId2 = value.key;
          isShowWelcome.value = false;
          handleQueryEbook();
        }
        isShowWelcome.value = value.key === 'welcome';
      };

      onMounted(() => {

        handleQueryCategory();

      });

      return {
        ebooks,
        // ebooks2: toRef(ebooks1, "books"),
        // listData,
        pagination: {
          onChange: (page: any) => {
            console.log(page);
          },
          pageSize: 3,
        },
        actions: [
          {type: 'StarOutlined', text: '156'},
          {type: 'LikeOutlined', text: '156'},
          {type: 'MessageOutlined', text: '2'},
        ],

        handleClick,
        level1,

        isShowWelcome
      }
    }
  });
</script>

<style scoped>
  .ant-avatar {
    width: 50px;
    height: 50px;
    line-height: 50px;
    border-radius: 8%;
    margin: 5px 0;
  }
</style>
